Question

Which among the following statements are correct regarding food preservation?

a)Moist conditions can preserve bread for longer periods.

b)Sodium benzoate can be used to preserve jams.

c)Use of oil preserves food, as bacteria cannot survive in that
environment.

d)Food spoilage can also be prevented by adding acid
preservatives to them

two or more than two​

Answer 1

Salts and edible oils are the common chemicals generally used to check the growth of microorganisms. Therefore, they are called  preservatives. We add salt or acid preservatives to pickles to prevent the attack of microbes. Sodium benzoate and sodium metabisulphite are common preservatives. These are also used in the jams and squashes to check their spoilage.